foam rubber material on firewall.

[PabloX]

The sound deadening material on the firewall of my '86 has separated and is basically leaning on the airbox, etc.

Is there a standard fix for this? Removing the material and replacing it looks like quite a job.

Thanks and sorry if there's an existing thread on this. I searched but I'm not quite sure what to use for keywords.

[Danny_Ocean]

Search for "soundproofing". You'll find a hundred threads.

[Kraftwerk]

Pelican sells two different ones.... can be replaced. Much easier with the engine out, I hear.

[PabloX]

Originally Posted by Danny_Ocean

Search for "soundproofing". You'll find a hundred threads.

That's part of the problem. There are a hundred threads and most aren't applicable.

Similarly, I can't even find a thread on changing the oil

[zippy_gg]

Originally Posted by PabloX

Similarly, I can't even find a thread on changing the oil

No need to change the oil since these old cars just leak or burn about a quart/1000 miles. Just add when needed and voila! OK, not really...
The original soundproofing is bound to come unglued and disintegrate with age. As mentioned above there are a few replacement products to choose from.
You can call PP and ask about the ones they sell. They have excellent customer service and can give you some advice.

[Danny_Ocean]

Originally Posted by PabloX

That's part of the problem. There are a hundred threads and most aren't applicable

Just searched "firewall soundproofing", fourth thread from top:


http://forums.pelicanparts.com/porsche-911-technical-forum/190877-engine-soundproofing-replacement-how.html